package fir.diagram.sheet;

import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.emf.common.notify.AdapterFactory;
import org.eclipse.emf.edit.domain.AdapterFactoryEditingDomain;
import org.eclipse.emf.edit.provider.IItemPropertySource;
import org.eclipse.emf.edit.ui.provider.PropertySource;
import org.eclipse.emf.transaction.TransactionalEditingDomain;
import org.eclipse.emf.transaction.util.TransactionUtil;
import org.eclipse.gef.EditPart;
import org.eclipse.gmf.runtime.diagram.ui.properties.sections.AdvancedPropertySection;
import org.eclipse.gmf.runtime.notation.View;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.swt.graphics.Color;
import org.eclipse.ui.IWorkbenchPart;
import org.eclipse.ui.views.properties.IPropertySource;
import org.eclipse.ui.views.properties.IPropertySourceProvider;

import fir.Informacao;
import fir.Regra;
import fir.linkInformacaoRegra;
import fir.diagram.edit.parts.FuncionalidadeEditPart;
import fir.diagram.edit.parts.InformacaoEditPart;
import fir.diagram.edit.parts.RegraEditPart;
import fir.impl.FuncionalidadeImpl;
import fir.impl.InformacaoImpl;
import fir.impl.RegraImpl;

/**
 * @generated
 */
public class FirPropertySection extends AdvancedPropertySection implements
		IPropertySourceProvider {

	/**
	 * @generated not
	 */
	boolean analisado = false;

	/**
	 * @generated not
	 */
	boolean limpou = false;

	/**
	 * @generated not
	 */
	List<Regra> regras;

	/**
	 * @generated
	 */
	public IPropertySource getPropertySource(Object object) {
		if (object instanceof IPropertySource) {
			return (IPropertySource) object;
		}
		AdapterFactory af = getAdapterFactory(object);
		if (af != null) {
			IItemPropertySource ips = (IItemPropertySource) af.adapt(object,
					IItemPropertySource.class);
			if (ips != null) {
				return new PropertySource(object, ips);
			}
		}
		if (object instanceof IAdaptable) {
			return (IPropertySource) ((IAdaptable) object)
					.getAdapter(IPropertySource.class);
		}
		return null;
	}

	/**
	 * @generated
	 */
	protected IPropertySourceProvider getPropertySourceProvider() {
		return this;
	}

	/**
	 * Modify/unwrap selection.
	 * 
	 * @generated
	 */
	protected Object transformSelection(Object selected) {

		if (selected instanceof EditPart) {
			Object model = ((EditPart) selected).getModel();
			return model instanceof View ? ((View) model).getElement() : null;
		}
		if (selected instanceof View) {
			return ((View) selected).getElement();
		}
		if (selected instanceof IAdaptable) {
			View view = (View) ((IAdaptable) selected).getAdapter(View.class);
			if (view != null) {
				return view.getElement();
			}
		}
		return selected;
	}

	/**
	 * @generated not
	 */
	public void setInput(IWorkbenchPart part, ISelection selection) {
		if (selection.isEmpty()
				|| false == selection instanceof StructuredSelection) {
			super.setInput(part, selection);
			return;
		}
		final StructuredSelection structuredSelection = ((StructuredSelection) selection);
		ArrayList transformedSelection = new ArrayList(structuredSelection
				.size());
		for (Iterator it = structuredSelection.iterator(); it.hasNext();) {
			Object r = transformSelection(it.next());
			if (r != null) {
				transformedSelection.add(r);
			}
		}
		limparImpactos();
		if (transformedSelection.size() == 1) {
			if (transformedSelection.get(0) instanceof RegraImpl)
				teste((RegraImpl) transformedSelection.get(0));
		}
		super.setInput(part, new StructuredSelection(transformedSelection));
	}

	/**
	 * @generated
	 */
	protected AdapterFactory getAdapterFactory(Object object) {
		if (getEditingDomain() instanceof AdapterFactoryEditingDomain) {
			return ((AdapterFactoryEditingDomain) getEditingDomain())
					.getAdapterFactory();
		}
		TransactionalEditingDomain editingDomain = TransactionUtil
				.getEditingDomain(object);
		if (editingDomain != null) {
			return ((AdapterFactoryEditingDomain) editingDomain)
					.getAdapterFactory();
		}
		return null;
	}

	/**
	 * @generated not
	 */
	private void limparImpactos() {
		if (limpou) {
			limpou = false;
		} else {
			limpou = true;

			if (regras != null) {
				for (Regra regra : regras) {
					regra.getEditPartAdapter().setForegroundColor(-1, 0, 0);
				}
			}
		}
	}

	/**
	 * @generated not
	 */
	private void teste(Regra regra) {
		if (analisado) {
			analisado = false;
		} else {
			analisado = true;
			regras = new ArrayList<Regra>();
			regra.setImpactos("");
			analisarImpacto(regra, regra);
			if (regra.getImpactos().length() > 2)
				regra.setImpactos(regra.getImpactos().substring(0,
						regra.getImpactos().length() - 2));
		}
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated not
	 */
	public void analisarImpacto(Regra regra, Regra consumidora) {
		if (consumidora.getInformacaoProduzida() != null
				&& consumidora.getInformacaoProduzida().getTarget() != null) {

			for (linkInformacaoRegra regraConsumidora : consumidora
					.getInformacaoProduzida().getTarget()
					.getRegrasConsumidoras()) {
				if (regraConsumidora.getTarget() != null
						&& !regra.getImpactos().contains(
								"Regra "
										+ regraConsumidora.getTarget()
												.getLabel() + ", ")) {
					regra.setImpactos(regra.getImpactos() + "Regra "
							+ regraConsumidora.getTarget().getLabel() + ", ");
					regraConsumidora.getTarget().getEditPartAdapter()
							.setForegroundColor(255, 0, 0);
					regras.add(regraConsumidora.getTarget());
					analisarImpacto(regra, regraConsumidora.getTarget());
				}
			}
		}
	}
}
